
Selection guide Internal grooving CoroCut® QI CoroTurn® XS First choice for secure internal Precision-ground tools. First choice grooving for small diameters, 12–60 for the narrowest grooves in the mm (0.47–2.36 inch). Ensures high smallest diameters, 2–10 mm process security and reliable grooving (0.079–0.394 inch). operations with high surface quality. CoroCut® MB A cost-efficient option for narrow grooves in small diameters. CoroCut® 2 Versatile parting and grooving concept. First choice for internal grooving for larger diameters, 60 mm (2.36 inch) and above. Cost-efficient thanks to two-edged inserts. System Bore diameter, mm (inch) Cutting depth maximum, mm (inch) CoroCut® 2 25–150 (0.984–5.905) 4.5–23 (0.177–0.906) CoroCut® QI 12–60 (0.472–2.362) 2–19 (0.079–0.748) CoroCut® MB 10–20 (0.394–0.787) 0.7–8 (0.028–0.315) CoroTurn® XS 2–7.2 (0.079–0.283) 0.4–2.5 (0.016–0.098) 5